Growth_irregular: Berkeley Growth Study Data

Description Format Details References See Also

Description

A data frame containing the heights of 39 boys and 54 girls from age 1 to 18, the ages at which they were collected.

Format

A list made up of

ID

Factor of length 93 containing the subject IDs

sex

Factor encoding the sex of children with values in c(`male`, `female`)

age

Numeric vector of length 31 encoding the age at the measurements

height

A 93 x 31 matrix giving the height in cm of 93 children at 31 ages

Details

Data and description was reformatted from the fda package.

The ages are not equally spaced, see Growth$age.

References

Ramsay, James O., and Silverman, Bernard W. (2006), Functional Data Analysis, 2nd ed., Springer, New York.

Ramsay, James O., and Silverman, Bernard W. (2002), Applied Functional Data Analysis, Springer, New York, ch. 6.

Tuddenham, R. D., and Snyder, M. M. (1954) "Physical growth of California boys and girls from birth to age 18", University of California Publications in Child Development, 1, 183-364.

See Also

Growth


maierhofert/classiFunc documentation built on April 3, 2018, 9:27 p.m.